Every breath a person takes draws from a gas mixture that has barely shifted in recorded history: roughly 78 percent nitrogen and 21 percent oxygen by volume. NASA and NOAA both publish those rounded ...

The Earth’s atmosphere is a dynamic blend of uniform gases—primarily N₂ and O₂—and variable constituents including water vapour, CO₂, CH₄ and trace species such as O₃. These components undergo a web ...

The Earth's atmosphere has strengthened its ability to remove air pollutants, including the potent climate-warming gas methane, according to research published in Nature Communications. Regarded as a ...

Aerosol dynamics and atmospheric composition modelling encompass the study of airborne particulate matter and reactive gases from their emission through to removal. Key processes include nucleation, ...

The Daily Atmospheric Ionospheric Limb Imager (DAILI) CubeSat successfully launched aboard the SpaceX Falcon 9 rocket at 5:07 a.m. EST on Dec. 21, 2021 from Launch Complex 39A at NASA’s Kennedy Space ...

The atmosphere is a layer of gas and suspended solids extending from the Earth's surface up many thousands of miles, becoming increasingly thinner with distance but always held by the Earth's ...

Berkeley — Discovery of the last piece of a long-standing puzzle — what happens to hydrogen gas in the atmosphere — will help scientists assess the impact of additional hydrogen escaping into the ...